26440 Old Highway Descanso, CA ^$ 3,200,000

26440 Old Highway

^$ 3,200,000

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26440 Old Highway

Descanso, CA, 91916

^$ 3,200,000

Bedrooms4 Baths6.1 Sq 7,117

Monthly Estimate*

^$ 20,205

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Single Family Home for sale in Descanso, CA

for $3,200,000 with 4 bedrooms and 6 full baths, 1 half bath. This 7,117 square foot home was built in 1990 on a lot size of 7.05.

Welcome to La Marquesa, an extraordinary private lakefront estate where timeless elegance meets peaceful mountain living. Nestled on over 7 serene acres beneath majestic oaks and pines, this 7,117 sq. ft. masterpiece is one of only two residences privileged with access to a private, stocked lake. Every season paints a breathtaking backdrop from expansive view decks on every level, overlooking tranquil waters and natural beauty. Inside, discover four magnificent bedroom suites, each with its own ensuite bath, plus two and a half additional baths. The grand great room showcases a stunning fireplace and rich English-style pub, creating an unforgettable setting for entertaining. The gourmet kitchen features quartz countertops, a center island, 8-burner Viking range/oven, stainless appliances, expansive white cabinetry and Travertine flooring. Special thought went into this home's decor from the Chevron design on the main level tiling, to the circular staircase boasting a grand crystal chandelier. Multiple HVAC systems provide year-round comfort, while just 35 miles from downtown San Diego, you'll find a lifestyle where luxury, privacy, and nature exist in perfect harmony.

Single Family Active

Price

^$ 3,200,000

Bedrooms

Full Bath

Half Bath

Property Type

Single Family

Taxes

^$ 0

Style

Custom Built

Lot Size

7.05

Year Built

1990

Town/City

Descanso

County/Region

San Diego

MLS | Web ID

260016959

Features

General

Sewer Septic Installed

Heating Forced Air Unit

Cooling Central Forced Air

Roof Composition Membrane

Appliances Dishwasher Disposal Dryer Microwave Refrigerator Washer Built In Range Double Oven Ice Maker Propane Range Water Line to Refr

HOA Fee 0.0

Garage Spaces 4.0

Architectural Style Custom Built

Pool Features N/K

Construction Materials Stucco

Pets Allowed Yes

Year Built 1990

Stories Count 3

Levels 3 Story

Property Subtype Detached

County San Diego

New Construction N

Property Type Residential

HOA N

Attached Garage N

Subdivision Name DESCANSO

Full Baths 6

Status ACTIVE

Directions Interstate 8 to the Descanso/Highway 79 exit. Go north approximately 1.5 miles and the entrance will be on the left.

City Descanso

Senior Community Y/N N

MLS Area Inland East

Lot Size Units Acres

Property Attached Y/N N

Virtual Tour https://sites.rocksynergies.com/vd/255312436

Building Area Units Sqft

Living Area Units Sqft

Standard Status Active

Middle/Junior School District Mountain Empire Unified School D

Elementary School District Mountain Empire Unified School D

Year Built Source Assessor

Freehold IDX

Interior

Flooring Carpet Tile

Total Fireplaces 2

Fireplace Features FP in Living Room Primary Retreat

Total Stories 3

Air Conditioning Y/N N

Heating Y/N N

Fireplace Y/N N

Half Baths 1

Laundry Features Electric Propane

Total Bedrooms 4

Total Baths 7

Exterior

Fencing Partial

Parking Features Detached Garage - Single Door

Water Source Well on Property

Total Parking 14.0

Lot Size Area 7.05

Building Area Total 7117.0

Waterfront Y/N N

* Excluded Features

List By

Greg R Fox Jr.

Listing Agent

Coldwell Banker West

Broker

(619) 840-9400

Phone

Affordability Calculator

$20,205

Per Month

Monthly Principal & Interest: $20,205
Monthly Property Taxes: --
Monthly Home Insurance: --

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Down Payment

Loan Term

Interest Rate

Yearly Property Taxes

Yearly Home Insurance

Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

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Nearby

Trends
Schools

Single family listings in Descanso, CA

Average List Price ^$1,330,229

Percent of Sale Price 58%

About Descanso, CA

1,338 Population

13% Since 2002

^$84,773 Median Income

45.38 Median Age

17% Households with Children

View more area information

Trends Information provided by ATTOM Data Solutions.

281193 Elementary School

281006 Middle School

Unknown High School High School

See complete school information

Pricing History

Date	Price	Price Change	Description
7/11/2026	$3,200,000		Listed Price

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26440 Old Highway, Descanso, CA, 91916 is a Single Family Home for sale at $3,200,000 with 7,117 sqft and a lot size of 7.05. 26440 Old Highway has 4 bedrooms, 6.1 baths, and was built in 1990. The property's zip code is 91916 which is in Descanso, CA

*Information deemed reliable but not guaranteed.

Financial calculator disclaimer: Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

Listing data provided courtesy of The Internet Data Exchange Program of San Diego Multiple Listing Service, Inc.

This information is deemed reliable but not guaranteed. You should rely on this information only to decide whether or not to further investigate a particular property. BEFORE MAKING ANY OTHER DECISION, YOU SHOULD PERSONALLY INVESTIGATE THE FACTS (e.g. square footage and lot size) with the assistance of an appropriate professional. You may use this information only to identify properties you may be interested in investigating further. All uses except for personal, non-commercial use in accordance with the foregoing purpose are prohibited. Redistribution or copying of this information, any photographs or video tours is strictly prohibited. This information is derived from the Internet Data Exchange (IDX) service provided by San Diego Multiple Listing Service, Inc. Displayed property listings may be held by a brokerage firm other than the broker and/or agent responsible for this display. The information and any photographs and video tours and the compilation from which they are derived is protected by copyright.

Data is updated as of 7/19/2026.

CA BRE #019180026.

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26440 Old Highway

Single Family Home for sale in Descanso, CA

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